Day & Night / AIR-SOURCE HEAT PUMP

Q5H9V36*K*AAA*

QuietComfort 19 SEER2 VS HP · source records, page 22

450 published source records · source checked Sep 21, 2026

SEER2 range15.2–18BTU/Wh
HSPF2 range7.8–9BTU/Wh
Cooling capacity33,400–37,600BTU/h

Each efficiency range summarizes published EPA records for Q5H9V36*K*AAA*. The highest SEER2 and HSPF2 may belong to different combinations. Open a source record below to see its ratings and the scope of its component information.

Model patterns and component strings are preserved exactly. How to read model patterns and combinations →

Heating performance & equipment details

Ranges include the 450 published source records for this model. Values in different rows may describe different configurations. Open an individual record to compare values from the same test configuration.

Reported fieldValue / rangeRecords supplying it
SEER2 · BTU/Wh15.2–18450 / 450
EER2 · BTU/Wh10.5–13.5450 / 450
HSPF2 · BTU/Wh7.8–9450 / 450
Cooling capacity · BTU/h33,400–37,600450 / 450
Heating capacity at 47°F / 8.3°C · BTU/h31,800–37,400450 / 450
Heating capacity at 17°F / −8.3°C · BTU/h25,200–37,600450 / 450
Heating capacity at 5°F / −15°C · BTU/h24,600–26,600450 / 450
COP at 5°F / −15°C1.9–2.18450 / 450
Equipment / loop typeHP - Split System450 / 450
Refrigerant / source-reported GWPR-454B (GWP:470 | Lower GWP)450 / 450
Compressor stagingContinuously variable450 / 450
Connected capabilityNo450 / 450

47°F = 8.3°C; 17°F = −8.3°C; 5°F = −15°C. COP is dimensionless. These are reported rating points, not a prediction of a particular home’s heat demand or operating limit.

Matched systems

Each row is one source record. The component column distinguishes listed combinations from outdoor-model ratings without an indoor configuration.

Indoor unit / required furnaceSEER2BTU/WhHSPF2BTU/WhHeating capacity at 5°F / −15°CBTU/hCOP at 5°F / −15°CRecord & comparison
EA*5X42M21A*+ furnace: *96VTN1002120B*Cold climate designationAHRI reference: 21792448215.209.00254002.10EPA 4539566 →
EA*5X43M21A*+ furnace: *80MSU1002120A*AHRI reference: 21792473715.209.00246002.08EPA 4539570 →
EA*5X42M21A*+ furnace: *96CTN0802120B*Cold climate designationAHRI reference: 21792436215.209.00256002.08EPA 4539981 →
EA*5X42M21A*+ furnace: *96CTN1002122B*Cold climate designationAHRI reference: 21792437715.209.00254002.10EPA 4539988 →
EA*5X42M21A*+ furnace: *96VTN0802120B*Cold climate designationAHRI reference: 21792446715.209.00256002.08EPA 4539992 →
EA*5X37M17A*+ furnace: *80CSU0601716B*Cold climate designationAHRI reference: 21792255815.209.00254002.10EPA 4540047 →
EA*5X37M21A*+ furnace: *80CSU1002120B*AHRI reference: 21792305515.209.00248002.08EPA 4540215 →
EA*5X36M17A*+ furnace: *97CTN0801716A*Cold climate designationAHRI reference: 21792248315.208.50256001.98EPA 4540380 →
EA*5X43M21A*+ furnace: *96VTN0801716B*AHRI reference: 21792526315.209.00250002.06EPA 4540568 →
EA*5X42M21A*+ furnace: *97CTN0802120A*Cold climate designationAHRI reference: 21792440715.209.00256002.08EPA 4540718 →
EA*5X42M21A*+ furnace: *97CTN1002122A*Cold climate designationAHRI reference: 21792442215.209.00254002.10EPA 4540732 →
EA*5X43M21A*+ furnace: *80VTL1102122B*AHRI reference: 21792487315.208.50248001.94EPA 4541275 →
EA*5X43M21A*+ furnace: *97CMN0801714B*AHRI reference: 21792496315.209.00250002.06EPA 4541295 →
EA*5X48M21A*+ furnace: *80CTL0701716B*AHRI reference: 21792560815.209.00254002.06EPA 4541398 →
EA*5X48M21A*+ furnace: *80CTL0702120B*AHRI reference: 21792562315.209.00252002.06EPA 4541411 →
EA*5X37M17A*+ furnace: *96VSN0601716B*Cold climate designationAHRI reference: 21792277015.209.00256002.08EPA 4541479 →
EA*5X36M17A*+ furnace: *80CTL0901716B*Cold climate designationAHRI reference: 21792228615.208.50252002.00EPA 4541557 →
EA*5X36M17A*+ furnace: *80VTL0451412B*Cold climate designationAHRI reference: 21792230115.208.50252002.00EPA 4541571 →
EA*5X36M17A*+ furnace: *80VTL0701716B*Cold climate designationAHRI reference: 21792231715.208.50252002.00EPA 4541586 →
EA*5X43M21A*+ furnace: *95CSU0802120B*AHRI reference: 21792490315.209.00248002.08EPA 4541615 →

Sources and documentation

The table uses public EPA ENERGY STAR data. AHRI references are reported by EPA and have not been independently checked with AHRI. Source records do not establish availability, installation suitability or rebate eligibility.

No manufacturer manual has been matched to this model.

Collection method, revision history and known limitations →